I have always been fascinated by the incredible complexity of the Benoit Mandelbrot set ever since I first saw it in the August 1985 issue of Scientific American.It is a fractal that has incredible complexity no matter how close you zoom in on it. Unfortunately, I cannot do it justice with a 3D printer, but here is my attempt at it.The rectangular layers are 0.6 mm tall which is appropriate for 0.3 mm layer height.file: Mandelbrot_600_x_600.zip is 60 mm X 60 mmthe green and black photo is a two color print of the zipped .stl file.The red and black photo is picture generated by the program I used to create the .stl.Sorry for the large (121 Mb) .stl file, but I did not have a good way to simplify the mesh.